<script setup lang="ts">
import { createRoleUserAPI, getTreeListAPI, updateRoleGetAPI } from '@/apis/system';
import router from '@/router';
import type { RoleData, RoleParams } from '@/types/system';
import { ElMessage, type TreeInstance } from 'element-plus';
import { ref } from 'vue';
import { useRoute } from 'vue-router';



//表单数据
const roleFormRef = ref()
const roleForm = ref<RoleParams>({
  roleName: '',
  remark: '',
  perms:[],
})
//表单规则验证
const roleRules = ref({
  roleName: [
    { required: true, message: '请输入角色名称', trigger: 'blur' },
    { min: 2, max: 10, message: '长度在 2 到 10 个字符', trigger: 'blur' }
  ],
  remark: [
    { required: true, message: '请输入角色信息', trigger: 'blur' }
  ]
})
//表单的校验
const increseStep = async () => {
  // 当前是角色信息状态，进行表单校验
 await roleFormRef.value.validate()
    activeStep.value++
}
//获取tree列表
const treeList = ref<RoleData[]>([]) // 权限树形列表
// 获取功能权限列表
const getTreeList = async () => {
  const res = await getTreeListAPI()
  treeList.value = res.data
}
getTreeList()
const treeRefs = ref<TreeInstance[]>([])
const diabledTreeRefs = ref<TreeInstance[]>([])


//如果有roleId，则是编辑角色详情
const route =useRoute()
const editRoleDetail =async()=>{
  if(route.params.id){
  const res = await updateRoleGetAPI(Number(route.params.id))
  console.log('角色数据',res);
    const { perms, remark,roleName } = res.data
    roleForm.value = { perms, remark, roleName }
    treeRefs.value.forEach((tree, index) => {
    tree.setCheckedKeys(roleForm.value.perms[index])
  })
}
}
editRoleDetail()

//步骤
const activeStep = ref(1)
const NextStep=async() => {
  if (activeStep.value === 1) {
    // 校验通过才能进入下一个状态
    increseStep()
  }
  else if(activeStep.value === 2){
    roleForm.value.perms=[]
    treeRefs.value.forEach(tree=>{
    const res=tree.getCheckedKeys() as number[]
    roleForm.value.perms.push(res)
  })
  if(roleForm.value.perms.flat().length===0){
    ElMessage.warning('请至少选择一项权限')
  }else{
    activeStep.value++
    //回显tree
    diabledTreeRefs.value.forEach((tree,index)=>{
      tree.setCheckedKeys(roleForm.value.perms[index])
    })
  }
  }
}
const PreStep=() => {

  activeStep.value--
}
// 提交
const onSubmit = async() => {
  await createRoleUserAPI(roleForm.value)
  ElMessage.success('添加成功')
  router.back()
}


</script>

<template>
  <div class="add-role">
    <header class="add-header">
      <el-page-header content="添加角色" @back="$router.back()" />
    </header>
    <main class="add-main">
      <div class="step-container">
        <el-steps direction="vertical" :active="activeStep">
          <el-step title="角色信息" />
          <el-step title="权限信息" />
          <el-step title="检查并完成" />
        </el-steps>
      </div>
      <div class="form-container" v-show="activeStep==1">
        <div class="title">角色信息</div>
        <el-form ref="roleFormRef" class="form-box" :model="roleForm" :rules="roleRules">
          <el-form-item label="角色名称" prop="roleName">
            <el-input v-model="roleForm.roleName" />
          </el-form-item>
          <el-form-item label="角色描述" prop="remark">
            <el-input v-model="roleForm.remark"  type="textarea"/>
          </el-form-item>
        </el-form>
      </div>
      <div class="form-container" v-show="activeStep==2">
        <div class="title">权限配置</div>
        <div class="form">
          <div class="tree-wrapper">
            <div v-for="item in treeList" :key="item.id" class="tree-item">
              <div class="tree-title">{{ item.title }}</div>
                <el-tree 
                  ref="treeRefs" 
                  :data="item.children" 
                  show-checkbox 
                  default-expand-all 
                  node-key="id"
                  highlight-current 
                  :props="{ label: 'title' }" />
            </div>
          </div>
      </div>
      </div>
      <div class="form-container" v-show="activeStep==3">
        <div class="title">检查并完成</div>
        <div class="form">
      <div class="info">
        <div class="form-item">角色名称：{{ roleForm.roleName }}</div>
        <div class="form-item">角色描述：{{ roleForm.remark }}</div>
        <div class="form-item">角色权限：</div>
        <div class="tree-wrapper">
          <div v-for="item in treeList" :key="item.id" class="tree-item">
            <div class="tree-title">{{ item.title }}</div>
            <el-tree
              ref="diabledTreeRefs"
              :data="item.children"
              show-checkbox
              default-expand-all
              node-key="id"
              :props="{ label: 'title', disabled: () => true }"
            />
          </div>
        </div>
      </div>
    </div>
      </div>
    </main>
    <footer class="add-footer">
      <div class="btn-container">
        {{ activeStep }}
        <el-button v-show="activeStep!==1" @click="PreStep" >上一步</el-button>
        <el-button v-show="activeStep!==3" @click="NextStep" type="primary">下一步</el-button>
        <el-button v-show="activeStep===3" @click="onSubmit" type="success" >确认提交</el-button>
        {{ roleForm }}
      </div>
    </footer>
  </div>
</template>


<style scoped lang="scss">
.add-role {
  background-color: #f4f6f8;
  height: 100vh;

  .add-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: 64px;
    line-height: 64px;
    font-size: 16px;
    font-weight: bold;
    background-color: #fff;

    .left {
      span {
        margin-right: 4px;
      }

      .arrow {
        cursor: pointer;
      }
    }

    .right {
      text-align: right;
    }
  }

  .add-main {
    position: fixed;
    top: 64px;
    bottom: 88px;
    width: 100%;
    overflow-y: auto;
    background: #f4f6f8;
    padding: 20px 30px;
    display: flex;

    .step-container {
      height: 400px;
      width: 200px;
    }

    .form-container {
      flex: 1;
      background-color: #fff;
      overflow-y: auto;

      .title {
        height: 60px;
        line-height: 60px;
        padding-left: 20px;
      }

      .form {
        margin-bottom: 20px;
        padding: 20px 65px 24px;

        .el-form {
          display: flex;
          flex-wrap: wrap;
        }

        .info {
          font-size: 14px;
          color: #666;

          .form-item {
            margin-bottom: 20px;
          }
        }
      }

      .form-box {
        width: 600px;
        display: flex;
        flex-direction: column;
      }
    }
  }

  .add-footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 24px 50px;
    color: #000000d9;
    font-size: 14px;
    background: #fff;
    text-align: center;
    z-index: 10001;
  }

  .tree-wrapper {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;

    .tree-item {
      flex: 1;
      padding: 0px 4px;
      text-align: center;

      .tree-title {
        background: #f5f7fa;
        text-align: center;
        padding: 10px 0;
        margin-bottom: 12px;
      }
    }
  }
}
</style>